public class Example029 {
    public static void main(String[] args) {
        int[] arr= {9,8,3,5,2};
        System.out.println("冒泡排序前:");
        printArray(arr);
        bubbleSort(arr);
        System.out.println("冒泡排序后:");
        printArray(arr);
    }

    public static void printArray(int[] arr) {
        for (int i =0; i< arr.length;i++){
            System.out.print(arr[i]+"");
        }
        System.out.print("\n");
    }

    public static void bubbleSort(int[] arr) {
        for (int i =0; i< arr.length-1;i++){
            for (int j =0;j< arr.length-i-1;j++){
                if(arr[j]>arr[j+1]){
                    int temp =arr[j];
                    arr[j] =arr[j+1];
                    arr[j+1]=temp;
                }
            }
            System.out.println("第"+(i+1)+"轮排序后：");
            printArray(arr);
        }
    }
}
